Wash and dry the potato
Pierce the potato several times with a fork
Rub the potato with a little oil
Sprinkle with salt if desired
Preheat the air fryer to 400°F
Place the potato in the air fryer basket
Cook for 35 to 45 minutes
Turn the potato halfway through cooking
Check for doneness by piercing with a fork
Cook a few minutes more if needed
Remove and let cool slightly before serving